package com.hit.commonUtils;

import io.swagger.annotations.ApiModelProperty;
import lombok.Data;

import java.util.HashMap;
import java.util.Map;

//统一返回结果的类
@Data//lombok需要的注解
public class R {
    @ApiModelProperty(value = "是否成功")
    private Boolean success;

    @ApiModelProperty(value="返回码")
    private Integer code;

    @ApiModelProperty(value="返回消息")
    private String message;

    @ApiModelProperty(value = "返回数据")
    private Map<String,Object> data=new HashMap<>();

    //把构造方法私有，这样这个类不能在外部被new出来，只能使用static方法
    public static R ok(){//成功
        R r=new R();
        r.setSuccess(true);
        r.setCode(ResultCode.SUCCESS);
        r.setMessage("成功");
        return r;
    }
    public static R error(){//成功
        R r=new R();
        r.setSuccess(false);
        r.setCode(ResultCode.ERROR);
        r.setMessage("失败");
        return r;
    }

    //链式编程
    public R success(Boolean success){
        this.setSuccess(success);
        return this;
    }

    public R message(String message){
        this.setMessage(message);
        return this;
    }

    public R code(Integer code){
        this.setCode(code);
        return this;
    }

    public R data(String key, Object value){
        this.data.put(key, value);
        return this;
    }

    public R data(Map<String, Object> map){
        this.setData(map);
        return this;
    }
}
